1. A new orthodontic mechanism: The twin wire automatic appliance;Johnson;J. Am. Dent. A.,1932
2. Laminated arches; the double ribbon and double edgewise;Carey;Am. J. Orthodontics,1956
3. The combination technique;Fogel;Am. J. Orthodontics,1963
4. The application of the principles of the edgewise arch in the treatment of malocclusions. Part I;Tweed;Angle Orthodontist,1941
5. The application of the principles of the edgewise arch in the treatment of malocclusions. Part II;Tweed;Angle Orthodontist,1941